Suricate Alert

#!/bin/bash
fastlog=$(cat /var/log/suricata/fast.log)

while true
do
fastlogtmp=$(cat /var/log/suricata/fast.log)
if [[ "$fastlog" == "$fastlogtmp" ]]; then
   sleep 1
else
        echo 'Alert !'
        echo
        cat /var/log/suricata/fast.log
        echo
        echo '#############################################'
        echo
        paplay /usr/share/sounds/freedesktop/stereo/alarm-clock-elapsed.oga & zenity --info --width=250 --height=50 --text "Suricata Attack notification!"
        fastlog=$(cat /var/log/suricata/fast.log)
fi
done